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M2.5 Depth: 7.7 km

M2.5 Earthquake near 4 km E of Riverside, Maryland (United States)

UTC time: 2025-10-27 21:17:01 UTC Local time: —

About this earthquake

On October 27, 2025 at 21:17 UTC, a magnitude M2.5 earthquake occurred near 4 km E of Riverside, Maryland (United States). The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 191 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

Magnitude
M2.5
Depth
7.7 km
UTC time
2025-10-27 21:17:01 UTC
Local time
—
Country
United States
City
Maryland
Source
usgs
Coordinates
39.18100, -76.83350
Temperature
9.8°C

Map

Depth profile

Depth profile Depth: 7.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.7 km
Shallow
7.7 km
7.7 km — shallower than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

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